Those who have seen the documentary Queen of Versailles usually laugh at the outrageous lifestyle of David and Jacky Siegal, a billionaire and his trophy wife. The film begins in 2008, before the market crash. The economic downturn froze the construction of their incredible 90,000 sq ft mansion in Florida. But we can learn from them. What kids and adults need are some lessons in the lost art of budgeting, living within your means and learning not to spend what you don't have.